//
// Created by Castle on 2025/10/29.
//

#include<stdio.h>

int main(){
    // 满额折扣计算
    int number, total;

    printf("Please enter the number of customers: ");

    scanf("%d",&number);
    total = number * 300;

    if(total >= 3000){
        total = total * 0.8;
    }

    printf("Total: %d\n",total);


    return 0;
}